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Page 8478 of Mathematical Reviews Vol. , Issue 99m [page]

1999 Mathematical Reviews  
The paper is devoted to the study of the existence of almost periodic (AP), pseudo almost periodic (PAP) and generalized pseudo almost periodic (PAP) solutions of equation (*«) by means of exponential  ...  The author is concerned with proving the existence of multiple positive solutions for a (k,n — k)-conjugate boundary value prob- lem for an nth-order difference equation.  ... 

Page 4089 of Mathematical Reviews Vol. , Issue 83j [page]

1983 Mathematical Reviews  
Elbert, A half-linear second order differential equation (pp. 153-180); J. Elias, On the solutions of nth order differential equation in L?(0,00) (pp. 181-191); L.  ...  Yamaguchi, Almost periodic solutions of some wave equations with Dirichlet boundary values (pp. 1061-1074); O.  ... 

Page 478 of Mathematical Reviews Vol. 55, Issue 2 [page]

1978 Mathematical Reviews  
Let dx/dz=A(z)x be an nth order system corresponding to an nth order linear equation with coefficients analytic in a domain D of the complex z-plane.  ...  All components of the asymptotic solution are found by solving the corresponding boundary value problems for systems 7 of differential equations whose order does not exceed 2n.  ... 

Page 2970 of Mathematical Reviews Vol. , Issue 86g [page]

1986 Mathematical Reviews  
L. 86g:34095 Existence of periodic solutions of an nth-order nonlinear differential equation with delay. (Russian) Differential equations and some of their applications, 9-15, Tyumen. Gos.  ...  Author summary (translated from the Russian): “We consider nth-order nonlinear ordinary differential equations with retarded argument and prove for them certain theorems on the existence of periodic solutions  ... 

Page 772 of Mathematical Reviews Vol. , Issue 92b [page]

1992 Mathematical Reviews  
linear systems of differential equations with almost periodic coefficients under random perturbations.  ...  E. (2-ODE) On the stability in the critical case of a zero root and of a pair of purely imaginary roots of a nonautonomous nth order quasilinear equation.  ... 

Page 367 of Mathematical Reviews Vol. 36, Issue 2 [page]

1968 Mathematical Reviews  
F. 1770 Stability criteria for nth order, homogeneous linear dif- ferential equations. Differential Equations and Dynamical Systems (Proc. Internat. Sympos., Mayaguez, P.R., 1965), pp. 309-321.  ...  J 1772 A sufficient test for the stability of the trivial solution of a third-order differential equation with periodic coeffi- cients. (Russian) Differencial’nye Uravnenija 3 (1967), 1707-1717.  ... 

Page 1009 of Mathematical Reviews Vol. , Issue 2003B [page]

2003 Mathematical Reviews  
1009 34K Functional-differential and differential-difference equations if <0.  ...  George Seifert (1-[ASU; Ames, IA) 2003b:34144 34K13 34C25 Wang, Gen-Qiang; Cheng, Sui Sun (RC-NTHU; Hsinchu) Periodic solutions of nth order delay Rayleigh equations. (English summary) Ann. Polon.  ... 

Page 3397 of Mathematical Reviews Vol. , Issue 2003e [page]

2003 Mathematical Reviews  
G. (1-MRQT-MS; Milwaukee, WI) Oscillation of nth order forced functional differential equations. Math. Nachr. 238 (2002), 103-112.  ...  in any sufficiently small neighbourhood of this orbit the perturbed system has a unique almost periodic solution.”  ... 

Page 5105 of Mathematical Reviews Vol. , Issue 94i [page]

1994 Mathematical Reviews  
Ovide Arino (F-PAU; Pau) 34K Functional-differential and differential-difference equations 94i:34152 94i:34149 34K15 34K40 Zhang, Shun Nian [Zhang, Shu Nian] (PRC-ANH; Hefei) Oscillations of nth order  ...  Differential Equations 9 (1993), no. 3, 375-391. Consider the nth order mixed neutral equations n k S™x(0) — e(t)x(t— A) (-1)"" So pil) file — 01(t)) =0, i=1 i k ox) —cx(t—r)]+(-1)"*! Dix —t)=0.  ... 

Page 795 of Mathematical Reviews Vol. , Issue 94b [page]

1994 Mathematical Reviews  
perturbations of boundary value problems for a class of third-order partial differential equations with degenerate elliptic limit equations.  ...  Summary: “We present and discuss three theorems concerning the Lyapunov stability of certain time almost-periodic solutions to parabolic partial differential equations of reaction-diffusion type on R”.  ... 

Page 48 of Mathematical Reviews Vol. 32, Issue 1 [page]

1966 Mathematical Reviews  
On asymptotic stability of almost periodic systems. J. Differential Equations 1 (1965), 234-239.  ...  in the neighborhood of a singularity ; invariant varieties and varieties transformed into themselves by systems of periodic differential equa- tions of the third order ; perturbed systems in the case  ... 

Page 71 of Mathematical Reviews Vol. 38, Issue 1 [page]

1969 Mathematical Reviews  
Author’s summary: “A perturbed third-order system of differential equations, containing a rapidly rotating phase, is considered.  ...  Finally, the existence of a unique almost-periodic solution in A of x” =f(z, x’, t) is proved under hypotheses which include the following: f(z, y, t) is uniformly almost-periodic on A x R, and there exist  ... 

Page 1462 of Mathematical Reviews Vol. , Issue 95c [page]

1995 Mathematical Reviews  
Joél Blot (F-PARIS7-MI; Paris) 95¢:34081 34C27 34A30 35B15 35K55 42A75 Zhang, Chuan Yi (3-WON; London, ON) Pseudo-almost-periodic solutions of some differential equations. (English summary) J. Math.  ...  In the present paper the authors study the nth order differen- tial equation (+) y+ 7-5 Ac(t)y™ = e(t.y,y’,---,y""), where tc: Ry — R is continuous for k = 0,1,---,n—1 and g is continu- ous from R, x R  ... 

Page 1056 of Mathematical Reviews Vol. 50, Issue 4 [page]

1975 Mathematical Reviews  
P. 7672 On the oscillation of solutions of a nth-order differential equation. Yokohama Math. J. 22 (1974), 1-9.  ...  Differential Equations 10 (1971), 529-537; MR 44 #5595] for the equation y” =f(x, y), but the method of proof here is somewhat different and permits the consideration of equations of arbitrary order and  ... 

Page 460 of Mathematical Reviews Vol. 57, Issue 2 [page]

1979 Mathematical Reviews  
Masterkov, Reduction of certain systems of difference equations with periodic and almost periodic coefficients to systems with constant coefficients (pp. 82-88); F. A.  ...  Masterkov, Singularly perturbed systems of ordinary differential equations with periodic coefficients (pp. 41-57); V. V.  ... 
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